305964870 has 16 divisors (see below), whose sum is σ = 734315760. Its totient is φ = 81590624.

The previous prime is 305964811. The next prime is 305964871. The reversal of 305964870 is 78469503.

It is a happy number.

It is a super-2 number, since 2×305964870² = 187229003348233800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305964871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5099385 + ... + 5099444.

It is an arithmetic number, because the mean of its divisors is an integer number (45894735).

Almost surely, 2^305964870 is an apocalyptic number.

305964870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

305964870 is an abundant number, since it is smaller than the sum of its proper divisors (428350890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305964870 is a wasteful number, since it uses less digits than its factorization.

305964870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10198839.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 305964870 is about 17491.8515314989. The cubic root of 305964870 is about 673.8406215915.

The spelling of 305964870 in words is "three hundred five million, nine hundred sixty-four thousand, eight hundred seventy".